massive work towards godot 4

scripts/equipment/equipment.gd

@@ -0,0 +1,49 @@
+class_name Equipment
+extends Node2D
+
+signal sheath(bool)
+
+@export
+var auto_z_index: bool = true
+
+@export
+var auto_flip: bool = true
+
+var _sheathed: bool = true
+
+var _original_z_index: int
+
+func init_equipment() -> void:
+	self._original_z_index = self.z_index
+	self._update_z_index()
+
+func is_sheathed() -> bool:
+	return self._sheathed
+
+func toggle_sheath() -> void:
+	self._sheathed = !self._sheathed
+
+	self._update_z_index()
+
+	self.sheath.emit(self._sheathed)
+
+func _update_z_index() -> void:
+	if self.auto_z_index:
+		if self._sheathed:
+			self.z_index = _original_z_index - 100
+		else:
+			self.z_index = _original_z_index
+
+func is_facing_left() -> bool:
+	return get_global_mouse_position().x < global_position.x
+
+func process_equipment(_delta: float) -> void:
+	self._update_z_index()
+
+	if auto_flip:
+		if self.is_facing_left():
+			self.scale.x = -1
+		else:
+			self.scale.x = 1
+	else:
+		self.scale.x = 1